| Diekirch to Cognac | 416.58 mi (670.42 km) |
| Diekirch to Cogolin | 457.44 mi (736.17 km) |
| Diekirch to Colmar | 134.87 mi (217.05 km) |
| Diekirch to Colombes | 187.28 mi (301.41 km) |
| Diekirch to Colomiers | 488.44 mi (786.07 km) |
| Diekirch to Combs-la-Ville | 182.03 mi (292.96 km) |
| Diekirch to Comines | 152.00 mi (244.62 km) |
| Diekirch to Compiegne | 152.39 mi (245.25 km) |
| Diekirch to Concarneau | 477.72 mi (768.81 km) |
| Diekirch to Conde-sur-l'Escaut | 120.47 mi (193.88 km) |
| Diekirch to Conflans-Sainte-Honorine | 191.96 mi (308.92 km) |
| Diekirch to Corbas | 295.97 mi (476.32 km) |
| Diekirch to Corbeil-Essonnes | 187.02 mi (300.98 km) |
| Diekirch to Cormeilles-en-Parisis | 188.17 mi (302.84 km) |
| Diekirch to Cosne sur Loire | 224.92 mi (361.97 km) |
